DLH Executive and Leadership Team

September, 2026

Leadership Overview

DLH has 5 executives leading key functions including strategy, operations, financial management, business unit leadership, and medical research.

Focused on delivering advanced technology-enabled solutions, DLH drives digital transformation and public health analytics to support critical government missions across the United States.

Leadership Roles at DLH

  • Chief Executive Officer - Dwight Howell
  • President & Chief Executive Officer - Kathryn JohnBull
  • Chief Financial Officer - Steven Oroho
  • President - Fred Vago
  • Chief Medical Officer, Dlh Corporate - Joseph Martin
  • Dwight Howell - Chief Executive Officer

    Dwight Howell, the Chief Executive Officer at DLH, directs the overarching corporate strategy and long-term vision for the organization. Howell architects high-level business process outsourcing initiatives while ensuring alignment with the complex requirements of federal agencies like the Defense Health Agency. By prioritizing digital transformation and cybersecurity ecosystems, the Chief Executive Officer maintains a competitive edge in the technology consulting sector. Dwight Howell monitors the integration of artificial intelligence and machine learning across all service lines to enhance operational efficiency. This leadership role involves constant collaboration with the Board to secure sustainable growth and market expansion. Through rigorous oversight of program management solutions, the Chief Executive Officer guarantees that all public health research and analytics services meet the highest standards of excellence. Ultimately, Howell secures the financial and operational health of the enterprise while navigating the evolving landscape of government contracting.

    Kathryn JohnBull - President & Chief Executive Officer

    Kathryn JohnBull, the President & Chief Executive Officer at DLH, manages the daily execution of corporate objectives and operational performance. JohnBull drives the implementation of cloud enablement and big data analytics to support the National Institutes of Health. Overseeing the delivery of modeling and simulation services, the President & Chief Executive Officer ensures that technical capabilities remain at the forefront of industry standards. Kathryn JohnBull coordinates cross-functional teams to optimize service delivery for the US Navy Naval Information Warfare Center. This leadership role requires balancing immediate project demands with the broader mission of providing technology-enabled business process outsourcing. By fostering a culture of innovation and accountability, the President & Chief Executive Officer strengthens the company's position as a trusted partner for federal clients. JohnBull consistently evaluates performance metrics to refine service delivery models and maximize the impact of public health research initiatives.
    Kathryn JohnBull

    Steven Oroho - Chief Financial Officer

    Steven Oroho, the Chief Financial Officer at DLH, manages the fiscal health and capital allocation strategies for the entire organization. Oroho directs financial planning, reporting, and risk management to support the company's expansion into new technology consulting markets. By overseeing the budgetary requirements for large-scale program management solutions, the Chief Financial Officer ensures that resources align with the strategic goals of federal clients. Steven Oroho monitors the financial performance of cybersecurity and digital transformation projects to maintain profitability and operational efficiency. This leadership role involves frequent interaction with the executive team to assess the economic viability of new business opportunities. Through rigorous analysis of market trends and internal data, the Chief Financial Officer provides the insights necessary for informed decision-making. Oroho secures the long-term stability of the company by maintaining strong relationships with investors and stakeholders while optimizing the capital structure for future growth.
    Steven Oroho

    Fred Vago - President

    Fred Vago, the President at DLH, oversees the operational execution of business units focused on public health research and analytics. Vago directs the development of specialized service offerings that cater to the unique needs of the Tele-medicine and Advanced Technology Research Center. By managing the day-to-day operations of key service delivery teams, the President ensures that all projects meet strict quality and compliance standards. Fred Vago coordinates with other C-suite leaders to integrate big data analytics into existing program management frameworks. This leadership role involves driving efficiency across internal processes to improve the speed and accuracy of research outcomes. Through the application of advanced modeling and simulation techniques, the President enhances the value provided to federal partners. Vago maintains a focus on operational excellence, ensuring that the company's technology-enabled solutions remain effective and scalable in a highly competitive government contracting environment.

    Joseph Martin - Chief Medical Officer, Dlh Corporate

    Joseph Martin, the Chief Medical Officer, Dlh Corporate at DLH, provides clinical expertise and scientific leadership for all public health research initiatives. Martin directs the medical strategy behind the company's analytics services, ensuring that all data-driven insights are grounded in rigorous clinical standards. By overseeing the integration of medical research with digital transformation tools, the Chief Medical Officer, Dlh Corporate ensures that the company delivers actionable intelligence to the National Institutes of Health. Joseph Martin collaborates with technical teams to refine the application of artificial intelligence in healthcare settings. This leadership role involves guiding the development of specialized health-related programs that address complex federal requirements. Through the continuous evaluation of clinical outcomes and research methodologies, the Chief Medical Officer, Dlh Corporate maintains the integrity and scientific rigor of the company's service portfolio. Martin drives the advancement of health-focused technology solutions to improve public health results across the nation.

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    Frequently Asked Questions Regarding DLH Top Executives and Leadership Team

    Who leads DLH?
    DLH is led by Dwight Howell (Chief Executive Officer), along with executives such as Kathryn JohnBull (President & Chief Executive Officer) and Steven Oroho (Chief Financial Officer).
    Who is part of DLH’s executive team?
    The executive team of DLH includes leaders such as Dwight Howell (Chief Executive Officer), Kathryn JohnBull (President & Chief Executive Officer), Steven Oroho (Chief Financial Officer) and other senior executives.
    How many executives does DLH have?
    DLH has 5 executives leading key business areas.
    What roles are included in DLH’s leadership team?
    The leadership team of DLH includes roles such as Chief Executive Officer, President & Chief Executive Officer, Chief Financial Officer, President, Chief Medical Officer, Dlh Corporate.